Answer:
Look at your answers for the last question in all four sets. Locate these four elements on the periodic table. Enter the name of the group that all four elements belong to. Watch your spelling! [Hint: If all four answers for the last question are not in the same group on the periodic table, redo your sets or contact your instructor.]
A screen reader friendly version of the periodic table (opens in a new window) is available, as well as a printable, black and white version (opens in a new window).
Step-by-step explanation:
Consider expression 
1. Use property
Then
2. Use property
Then
3. Use property
Then
4. Use property
Then
Answer: correct option is B.
Answer:
The answer would be B or 2
Step-by-step explanation:
X - 1/2 because difference is subtraction
62.831 because the firs number that is different between the two is .8 and .3, and .8 is greater regardless of the numbers that follow afterward.
